Granted Patent
Utility
US 5,524,497 · App. 08/391,203
Additive for molten metal sampler
Inventor:
Richard A. Falk
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Feb 21, 1995
Inventor
Richard A. Falk
Assignee (at issue)
MIDWEST INSTRUMENT COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.